管理热带稀树草原火灾制度.pdf

1、Managing Savanna Fire RegimesDarwin Centre for Bushfire Research,Charles Darwin UniversityInternational Savanna Fire Management InitiativeJeremy Russell-SmithProportion of area burnt,2003-2016,per 0.250 cells90%of global burnt area is from savannasGHG emissions from fires1997-201662%of global fire e

2、missions come from savannasvan der Werf et al.2017Fire frequency of large fires 1988-2022Derived from AVHRR imageryLandgate WASource:NGGI Report 2022Fire frequency 2000 2011,derived from MODIS imageryEarly dry seasonLate dry seasonScorch mostly 2 mPatchily burntEarly dry season(EDS),pre-August,presc

3、ribed firesTree canopy scorchedNot PatchyLate dry season(LDS),after August,unplanned/wildfiresNT Endemic plant speciesFire scars May 1999Fire scars for 1999ConocoPhillips LNG plant,Darwin Harbour28,000 km2 WAFMA areaDarlnyinDjungkayiMingkirrinjiFamilyNjirriMany ClansFiremenTraditional Aboriginal cla

4、n responsibilities for fire management wurrk in western Arnhem Land Source:Sutton 2018PRE-PROJECT 1998-2004WITH PROJECT 2005-2011Project exampleWestern Arnhem Land(28,000 km2)EDSLDSProject exampleWestern Arnhem LandPre-projectWith projectERF-Registered Savanna Burning projects,Aug 2018 Covering 25%of 1.2M km2 eligible northern savanna region